March 2019
Intermediate to advanced
636 pages
27h 50m
English
book
Blockchain Development with Hyperledger
by Salman A. Baset, Luc Desrosiers, Nitin Gaur, Petr Novotny
Content preview from Blockchain Development with Hyperledger
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User records
For both the channel world state and the user keys and certificates for the respective organizations, we will use a file-based store, as specified in clientUtils.js:
var Constants = require('./constants.js');var tempdir = Constants.tempdir;module.exports.KVS = path.join(tempdir, 'hfc-test-kvs');module.exports.storePathForOrg = function(org) { return module.exports.KVS + '_' + org;};
In constants.js, tempdir is initialized as follows:
var tempdir = "../network/client-certs";
Alternatively, you can also set the storage location to lie in the temporary folder designated by your operating system using the os.tmpdir() function; you will just need to create a subfolder there(say <folder-name>.) On a typical Linux, system, this storage ...
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